Raymarine E70293 - Page 34

•Ideally,allequipmentshouldbewiredtoindividual
suitably-ratedthermalbreakersorfuses,with
appropriatecircuitprotection.Wherethisisnot
possibleandmorethan1itemofequipment
sharesabreaker,useindividualin-linefuses
foreachpowercircuittoprovidethenecessary
protection.
•Inallcases,observetherecommended
breaker/fuseratingsprovidedintheproduct’s
documentation.
•Ifyouneedtoextendthelengthofthepowercable
suppliedwithyourproduct,ensureyouobserve
thededicatedPowercableextensionsadvice
providedintheproduct’sdocumentation.
Important:Beawarethatthesuitablefuserating
forthethermalbreakerorfuseisdependentonthe
numberofdevicesyouareconnecting.
Grounding
Ensurethatyouobservetheseparategrounding
adviceprovidedintheproduct’sdocumentation.
Moreinformation
Raymarinerecommendsthatbestpracticeis
observedinallvesselelectricalinstallations,as
detailedinthefollowingstandards:
•BMEACodeofPracticeforElectricaland
ElectronicInstallationsinBoats
•NMEA0400InstallationStandard
•ABYCE-11AC&DCElectricalSystemsonBoats
•ABYCA-31BatterychargersandInverters
•ABYCTE-4LightningProtection
Powercableextension
Theproductissuppliedwithapowercable,which
canbeextendedifrequired.
•Thepowercableforeachunitinyoursystem
shouldberunasaseparate,singlelengthof
2-wirecablefromtheunittothevessel'sbatteryor
distributionpanel.
•Raymarinerecommendsaminimumwiregauge
of18AWG(0.82mm
2
)foranylengthofcable
extension.
•Foralllengthsofextensiontothepowercable,
ensurethereisacontinuousminimumvoltage
attheproduct’spowerconnectorof10.8Vwitha
fullyatbatteryat11V.
Important:Beawarethatsomeproductsin
yoursystem(suchassonarmodules)cancreate
voltagepeaksatcertaintimes,whichmayimpact
thevoltageavailabletootherproductsduringthe
peaks.
Grounding—Dedicateddrainwire
Thepowercablesuppliedwiththisproductincludes
adedicatedshield(drain)wireforconnectiontoa
vessel'sRFgroundpoint.
ItisimportantthataneffectiveRFgroundis
connectedtothesystem.Asinglegroundpoint
shouldbeusedforallequipment.Theunitcanbe
groundedbyconnectingtheshield(drain)wireof
thepowercabletothevessel'sRFgroundpoint.
OnvesselswithoutanRFgroundsystemtheshield
(drain)wireshouldbeconnecteddirectlytothe
negativebatteryterminal.
Thedcpowersystemshouldbeeither:
•Negativegrounded,withthenegativebattery
terminalconnectedtothevessel'sground.
•Floating,withneitherbatteryterminalconnected
tothevessel'sground
Warning:Productgrounding
Beforeapplyingpowertothisproduct,
ensureithasbeencorrectlygrounded,in
accordancewiththeinstructionsprovided.
Warning:Positivegroundsystems
Donotconnectthisunittoasystemwhich
haspositivegrounding.
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Dragony–4/Dragony–5/Dragony–7/Wi–Fish